fix(task): subcommand parser skips global args (denoland#15297)

cli/args/flags.rs

@@ -2582,7 +2582,8 @@ fn task_parse(
  }
 
  if let Some(mut index) = matches.index_of("task_name_and_args") {
- index += 1; // skip `task`
+ let task_word_index = raw_args.iter().position(|el| el == "task").unwrap();
+ let raw_args = &raw_args[task_word_index..];
 
  // temporary workaround until https://github.com/clap-rs/clap/issues/1538 is fixed
  while index < raw_args.len() {
@@ -5764,6 +5765,25 @@ mod tests {
  );
  }
 
+ #[test]
+ fn task_with_global_flags() {
+ // can fail if the custom parser in task_parse() starts at the wrong index
+ let r =
+ flags_from_vec(svec!["deno", "--quiet", "--unstable", "task", "build"]);
+ assert_eq!(
+ r.unwrap(),
+ Flags {
+ subcommand: DenoSubcommand::Task(TaskFlags {
+ cwd: None,
+ task: "build".to_string(),
+ }),
+ unstable: true,
+ log_level: Some(log::Level::Error),
+ ..Flags::default()
+ }
+ );
+ }
+
  #[test]
  fn task_subcommand_empty() {
  let r = flags_from_vec(svec!["deno", "task"]);